Home / 13,886.32-20,824.17-4,999.11

Finding the Fourth Proportional to 13,886.32, 20,824.17 and 4,999.11

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Solution

The fourth proportional to 13,886.32, 20,824.17 and 4,999.11 is: 7,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.32 : 20,824.17 = 4,999.11 : x
  2. Step 2: Convert to fraction form
    13,886.32/20,824.17 = 4,999.11/x
  3. Step 3: Cross multiply
    13,886.32x = 20,824.17 × 4,999.11
  4. Step 4: Simplify right side
    13,886.32x = 104,102,316.49
  5. Step 5: Solve for x
    x = 104,102,316.49/13,886.32
  6. Step 6: Final answer
    x = 7,496.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.